I'm glad to say that I just made a milestone update.
Changelog:
-BtcGuild is added
-Works like charm on Android >2.0
-Charts are generated in real time
-Notifications works now also below Android 4.1
-List of miners is cleaned if we change token.
-Help content depends on mining pool.
Download:
https://play.google.com/store/apps/details?id=com.tajchert.polminewatcher